.head{
    width: 100%;
    height: 81px;
}
.head .head-c{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.head .head-c .logo{
    float: left;
    width: 45px;
    height: 45px;
    margin-top: 20px;
    margin-left: 68px;
}
.head .head-c .manlv{
    float: left;
    width: 52px;
    line-height: 23px;
    font-size: 26px;
    color: #666666;
    margin-top: 32px;
    margin-left: 11px;
}
.head .head-c .nav{
    float: right;
    width: fit-content;
    height: 2;
}
.head .head-c .nav .nav-item{
    float: left;
    width: 72px;
    height: 25px;
    line-height: 100px;
    margin:  0 36px;
    margin-top: 32px;
    text-align: center;
}
.head .head-c .nav .nav-item a{
    font-size: 14px;
}
.head .head-c .nav .nav-item:hover a{
    font-size: 18px;
    color: #668aca;
}
/* .head .head-c .nav .nav-item .line{
    display: block;
    width: 20px;
    height: 1px;
    background-color: #668aca;
    margin: -35px auto 0;
    opacity: 0;
} */
/* .head .head-c .nav .nav-item:hover .line{
    opacity: 1;
}
.head .head-c .nav .nav-item.active a{
    font-size: 18px;
    color: #668aca;
}
.head .head-c .nav .nav-item.active .line{
    opacity: 1;
} */